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java.lang.Objectjava.util.AbstractMap<K,V>
java.util.HashMap
org.apache.directory.shared.ldap.util.NoDuplicateKeysMap
public class NoDuplicateKeysMap
A Map implementation derived from HashMap that only overrides a single method put() in order to prevent duplicate keyed entries to be added.
Constructor Summary | |
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NoDuplicateKeysMap()
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Method Summary | |
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java.lang.Object |
put(java.lang.Object key,
java.lang.Object value)
Overrides java.util.Map.put(java.lang.Object, java.lang.Object) to prevent duplicate keys. |
Methods inherited from class java.util.HashMap |
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clear, clone, containsKey, containsValue, entrySet, get, isEmpty, keySet, putAll, remove, size, values |
Methods inherited from class java.util.AbstractMap |
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equals, hashCode, toString |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Methods inherited from interface java.util.Map |
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equals, hashCode |
Constructor Detail |
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public NoDuplicateKeysMap()
Method Detail |
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public java.lang.Object put(java.lang.Object key, java.lang.Object value) throws java.lang.IllegalArgumentException
put
in interface java.util.Map
put
in class java.util.HashMap
java.lang.IllegalArgumentException
Map.put(java.lang.Object, java.lang.Object)
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